Compost machine



FIG. 1 is a front elevational view of the compost machine showing my newdesign;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a top-right perspective view thereof.

The portions of the compost machine shown in broken lines form no partof the claimed design.

I claim the ornamental design for a compost machine, as shown anddescribed.